64448 Njx aa and/or strd fem nerve nfs img
Also known as: femoral nerve block with branches, saphenous nerve block, medial/lateral femoral cutaneous block
Nerve injection for anesthetic and/or steroid administration to the femoral nerve with imaging guidance, including administration to associated nerve branches. Ultrasound localization of multiple branches.
In Plain Language
thigh nerve and branch numbing shot with ultrasound; multi-branch thigh pain injection
Clinical Context
Used for comprehensive lower extremity anesthesia including cutaneous branches. Provides broader coverage than femoral nerve alone for knee surgery and thigh pain.
RVU Breakdown
| Work RVU | 1.64 |
| Total RVU | 1.64 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
As a surgical CPT code, proper documentation must include the operative report detailing the procedure performed, patient positioning, approach, findings, and any complications. This code has a 0-day global period, meaning pre- and post-operative E&M visits are billable separately on the same day. Ensure the diagnosis code (ICD-10) supports medical necessity for the procedure.
How This Code Compares
With a work RVU of 1.64, this code ranks in the 10th percentile among Surgery codes — 4.9x below the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 64448?
CPT 64448 (Njx aa and/or strd fem nerve nfs img) is a Surgery code. Nerve injection for anesthetic and/or steroid administration to the femoral nerve with imaging guidance, including administration to associated nerve branches. Ultrasound localization of multiple branches.
What is the wRVU value for CPT 64448?
The work RVU for CPT 64448 is 1.64. This code is primarily used by Anesthesiology, Pain Management, Orthopedic Surgery.
When is CPT 64448 used?
Used for comprehensive lower extremity anesthesia including cutaneous branches. Provides broader coverage than femoral nerve alone for knee surgery and thigh pain.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.